Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-04-2024 22:54

General

  • Target

    MultiMC/libLauncher_rainbow.dll

  • Size

    67KB

  • MD5

    a01626f7ba38cf763ee9c4009b162093

  • SHA1

    045af643a25cf790fef399f840fc2b712dc6dc12

  • SHA256

    02a182c260743184c63fbcc1248dac87a870b8377534806522b489dd1e8d5cc1

  • SHA512

    9d745f086e87fdb8ae66147224f5d62049bde6894648bfe3cc9cdec07adbaae98ab9eb20cf7a4ef27d9a249281d989e67c428d30c16d6022e5c62b80fd344497

  • SSDEEP

    768:SEg24DKoyYH150BEexXfz2xGpsy/a2MaOtRd9P9mg8rO71:SFVD11ij11DM5hP7x

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_rainbow.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_rainbow.dll,#1
      2⤵
        PID:2612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 620
          3⤵
          • Program crash
          PID:1388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2612 -ip 2612
      1⤵
        PID:2844

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2612-3-0x0000000002C50000-0x000000000317F000-memory.dmp

        Filesize

        5.2MB

      • memory/2612-5-0x0000000002C50000-0x000000000317F000-memory.dmp

        Filesize

        5.2MB

      • memory/2612-1-0x0000000002C50000-0x000000000317F000-memory.dmp

        Filesize

        5.2MB

      • memory/2612-6-0x0000000061940000-0x0000000061EB5000-memory.dmp

        Filesize

        5.5MB

      • memory/2612-7-0x0000000063400000-0x0000000063415000-memory.dmp

        Filesize

        84KB

      • memory/2612-12-0x0000000064940000-0x0000000064954000-memory.dmp

        Filesize

        80KB

      • memory/2612-11-0x000000006FC40000-0x000000006FD41000-memory.dmp

        Filesize

        1.0MB

      • memory/2612-10-0x000000006E940000-0x000000006E964000-memory.dmp

        Filesize

        144KB

      • memory/2612-9-0x0000000068AC0000-0x0000000068ACC000-memory.dmp

        Filesize

        48KB